In all other ways, however, the KS-AX4504 is an exact duplicate of its peer. For instance, the KS-AX4504 also offers a power output of 600w, a sensitivity of 80dB, and a frequency response of 5 – 50,000Hz. In addition the KS-AX4504 boasts a speaker-level input terminal connection, gold-plated RCA input terminals, an LED indicator, a variable bass boost control, a variable speaker input control, and a variable RCA input level control. The JVC KS-AX3002 retails for slightly more expensive $199.95 (versus 169.95) and comes with a 1 year limited warranty.